Stocks moved solidly lower Thursday as the recent theme of the market — rising bond yields and falling prices of technology companies — continued to weigh on trading.

Negotiating Medicare drug prices is the linchpin of President Joe Biden's ambitious health care agenda. To do that, Congress would have to change an unusual arrangement that's written into law.

A former Facebook employee told members of Congress Tuesday that the company knows that its platform spreads misinformation and content that harms children but refuses to make changes that could hurt its profits. Here are some key highlights from Tuesday's hearing.