PRESS DIGEST-Financial Times - March 14

March 14 (Reuters) - The following are the top stories in the Financial Times. Reuters has not verified these stories and does not vouch for their accuracy.

Headlines

- Activists challenge UK demand for Apple to create data 'back door'

- Tesla warns Trump administration it is 'exposed' to retaliatory tariffs

- DeepSeek focuses on research over revenue in contrast to Silicon Valley

- 'Zero conversations' about London IPO valuation, says Shein boss

Overview

- Two human rights groups have launched a legal challenge against the UK government's bid to force Apple AAPL.O to create a "back door" in its security systems, as the iPhone maker prepares to go to court to fight the secret order on Friday.

- Elon Musk's electric-car maker Tesla TSLA.O has warned that U.S. President Donald Trump's trade war could make it a target for retaliatory tariffs against the U.S. and increase the cost of making vehicles in America.

- Chinese AI chatbot DeepSeek is choosing to focus on research over revenue, as its billionaire founder has decided not to follow Silicon Valley rivals by taking advantage of a sudden jump in sales.

- Shein's executive chair has insisted that neither investors nor management of the fast-fashion retailer have raised concerns with him over the company's valuation as it pursues a blockbuster London listing in the face of trade tariffs and stiff competition.