US President Trump: Want tariffs “much bigger” than 2.5%

Nvidia (NVDA) has lowered the HBM4 bandwidth specifications for its Rubin GPU, introducing a new variable into Micron's (MU) growth outlook. Nvidia's current product page lists the per-GPU bandwidth at 19.2 TB/s, down approximately 12.7% from the previous 22 TB/s, while memory capacity remains at 288GB.

On October 30, Eastern Time, international gold and silver prices both fell. Spot gold (XAUUSD) breached the $3,900 mark, falling to as low as $3,891, down over 3%; spot silver dropped below the $50 level, declining over 5%. Gold's cumulative drop for the month has exceeded 6%, marking a second consecutive monthly decline, while silver has fallen approximately 18% since October. Rising oil prices intensified concerns over energy inflation and reinforced market expectations for a Federal Reserve rate hike in December, serving as a primary factor behind the sell-off in gold.

TradingKey - As of press time on October 30, Eastern Time, Amazon's (AMZN) pre-market stock price fell 7.1% to $226.48.

TradingKey - In US pre-market trading on October 30 ET, the US memory sector extended its decline from the previous session. Although SanDisk's latest quarterly results beat market expectations, overall weakness in tech stocks and market concerns over returns on AI infrastructure investment continued to weigh on memory-related stocks.

The KOSPI plunged 5%, triggering a Sidecar mechanism to stabilize the market, while SK Hynix and Kioxia both tumbled 7%.