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Esteban Ma

573 Articles

Esteban Ma, CFA Level 2 CANDIDATE, is a financial editor at TradingKey, mainly focusing on covering equities, cryptocurrencies and commodities. With two years of experience in crypto at Gate.io Research and three years in comprehensive finance, he specializes in cryptocurrency industry analysis and macroeconomic analysis.

He passed the Certificate of Security Qualification(CSQ) and Certificate of Futures Qualification(CFQ).

Written by Esteban Ma

Reviewed by Esteban Ma

Best Buy Q1 FY26 Earnings Report: Hit by Trump’s Tariff War, BBY Slashes Full-Year Guidance

TradingKey - As the largest U.S. consumer electronics and appliance retailer, Best Buy (BBY) has been directly affected by Trump’s tariff policies targeting China, its biggest supplier. In Q1 of fiscal 2026, Best Buy reported weaker-than-expected results and issued a profit warning—sending...

A Trade War Into a Capital War? The Overlooked Risk in Trump’s Tax Bill: Foreign Taxes Could Accelerate “Sell America”

TradingKey - While investors are closely watching how Trump’s tax and spending bill will affect U.S. fiscal sustainability, an overlooked provision in the legislation has raised alarm bells: a new tax targeting foreign capital could accelerate capital outflows from the U.S., suggesting that Trump...

Trump vs. Federal Courts — Two Court Tries to Block Tariffs, Trump Considers a New Legal Path

TradingKey - In just two days, the Trump administration’s tariff plan has faced setbacks from two U.S. federal courts. Although a federal appeals court granted a temporary stay and reinstated the tariffs for now, the White House is aware that its strategy is under legal threat — and is reportedly...

Is the Fear of Bonds Finally Easing? Record Foreign Demand Seen in 5-Year Treasury Auction

TradingKey - Since May 2025, global bond markets have faced pressure from concerns over government fiscal policies — with yields rising rapidly across major sovereign debt markets. However, a $70 billion auction of 5-year U.S. Treasuries conducted by the U.S. Treasury on Wednesday, May 29 ...

NVIDIA Q1 Beats Earnings for 10 Consecutive Quarters — Survived H20 Ban, But China Risks Remain

TradingKey - Despite the Trump administration’s new export ban on its China-specific H20 AI chip, NVIDIA (NVDA) delivered better-than-expected revenue and earnings in Q1 of fiscal 2026 — underscoring the strength of global demand for AI infrastructure. However, CEO Jensen Huang warned that...

Has the Global Long-Term Bond Market Recovered? Another Weak Japan’s Bond Auction Emerged

TradingKey - After the U.S. reduced bond issuance, the UK cut reliance on long-term debt, and Japan signaled adjustments to its bond-buying program, global bond markets appeared to stabilize — with yields retreating and the worst of the long-bond selloff seemingly over.

Why Is Bringing Manufacturing Jobs Back to the U.S. So Difficult? Do Trump’s Policies Backfire？

TradingKey - Since the 2008 financial crisis, bringing manufacturing back to the United States has been a top priority for multiple presidential administrations — yet this ambitious goal has faced persistent challenges and yielded limited success. The phenomenon of “manufacturing hollowing-out”...

NVIDIA Q1 Earnings Preview: China Export Ban Risks vs. Middle East “Stargate” Mega Deal

TradingKey - On Wednesday, May 28, after U.S. markets close, AI chip giant NVIDIA (NVDA.US) will release its Q1 FY2026 earnings report , drawing investor attention to two key factors that could shape the company’s performance: the impact of U.S. export restrictions on China market sales and a...

U.S. Debt Ceiling “August Deadline” Looms — Treasury Begins Cutting Short-Term Bond Issuance

TradingKey - As the so-called “X-date” — the point at which the U.S. Treasury runs out of emergency measures to avoid default — draws closer, and with Trump’s tax cut and spending bill still stuck in a difficult legislative process, the U.S. government is beginning to tighten its belt: reducing shor

A U.S.-EU Currency War? The “Global Euro Moment” Rises as the Weak Dollar Endures

TradingKey - Although tensions in the U.S.-EU tariff war have eased, the era of U.S. exceptionalism continues to fade, with the U.S. dollar weakening in response to President Donald Trump’s aggressive tariff hikes and expansionary fiscal policies.

OPEC+’s “Overt Scheme” to Boost Output: Targeting U.S. Shale Oil’s Break-Even Point?

TradingKey - Ahead of the OPEC+ meeting on May 31, international oil prices remained weak. Some analysts believe that OPEC+ is preparing for its third consecutive large-scale production increase, aiming to push crude prices below $60 per barrel — a move designed to challenge the break-even point...

What’s Driving the Japanese Bond Sell-Off? The Root — Life Insurers’ Negative Duration Gap

TradingKey - As the Bank of Japan (BoJ) enters a tightening cycle, Japanese government bond (JGB) yields have been rising steadily. However, the recent sharp selloff in Japan bonds appears unusually severe.

Angry Musk for Tesla Comeback? “Iron Man” Musk: 7x24 at Work and Sleeping in Factory Rooms

TradingKey - As CEO Elon Musk shifts his focus back from the U.S. Department of Government Efficiency (DOGE) to Tesla’s core businesses — including Autopilot development and robotics — Tesla shares have accelerated their rebound. After reaffirming that he will remain CEO for the next five years...

Apple (AAPL) Stock Falls for 8th Straight Day — The Cost of Not Listening to Trump?

TradingKey - Amid escalating tariff threats and concerns over weakening product momentum, Apple (AAPL.US) has seen its stock fall for eight consecutive days, making it the only member of the “Magnificent Seven” tech giants to decline during a broader market rebound in May. Some observers are now...

Nippon Steel Shares Rise 5%, though Trump’s Approval of U.S. Steel Deal Still Uncertain

TradingKey - After U.S. President Donald Trump hinted at his support for a planned partnership between Nippon Steel and U.S. Steel, shares of Nippon Steel rose 5% on Monday, May 26. However, Trump’s vague wording suggests that this major acquisition may still face twists and turns ahead.

Fannie Mae and Freddie Mac Privatization — Stocks Soar, but Homebuyers May Suffer

TradingKey - On Wednesday, May 21, U.S. President Donald Trump reignited the push to end the government conservatorship of Fannie Mae and Freddie Mac, the two largest mortgage lenders in the United States, and move toward full privatization.

Trump’s Bill Faces Tougher Hurdles Ahead — The Senate Has Its Say, the Treasury Market Is Watching the Interest Bill

TradingKey - This not-so-"beautiful" version of the so-called “Beautiful Big Bill” incorporates most of Trump’s policy proposals, but its implications for the fiscal deficit have raised concerns — and it now faces further scrutiny from the Senate and the bond vigilantes.

Trump vs. Ivy League: Banning Harvard from Enrolling International Students Is Just the Beginning

TradingKey - Political ideology and economic concerns have fueled escalating tensions between President Donald Trump and U.S. higher education institutions. Recently, the administration took a direct hit at one of the most prestigious universities in the country: Harvard University.

Will Trump’s Tax Bill Benefit American Citizens? 3 Major Controversies: SALT, Medicaid Cuts, and Fiscal Deficits

TradingKey - Key questions remain: Does the U.S. still have room for further tax cuts amid its massive fiscal deficit? Will adjustments to the State and Local Tax (SALT) cap truly benefit ordinary Americans or merely enrich the wealthy? Can Congress and society accept the welfare cuts? Will the...

CATL and Hengrui’s HK IPOs — Enter a “Hong Kong Revaluation 2.0” Era?

TradingKey - The strong market performance of two Chinese industry leaders — Contemporary Amperex Technology Co. Limited (CATL, 3750.HK) and Hengrui Pharmaceuticals (1276.HK) — following their Hong Kong IPOs has once again drawn global attention to the Hong Kong capital market.

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