Shares of technology companies fell amid concerns about rising inflation and Treasury yields.

Shares of Tesla fell slightly after the bell in the wake of earnings that lagged some investors' lofty expectations.

Bitcoin hit a record high, as speculators flocked to the newly approved ProShares Bitcoin Strategy exchange-traded fund, which launched Tuesday with one of the highest ever trading volumes for a fund debut.

Electronic payment company PayPal Holdings is in talks to buy social-media platform Pinterest, which has a market value of about $40 billion, The Wall Street Journal reported. Shares of Pinterest rose by more than 10%.

The memory-chip maker Micron Technology plans to boost investment to more than $150 billion over the coming decade to cater to booming demand and is urging Congress to pass legislation that would aid domestic plant expansion.

Facebook shares ticked up after reports that the company was considering changing its name, to reflect its development of a virtual reality "metaverse."

Write to Rob Curran at rob.curran@dowjones.com

(END) Dow Jones Newswires

10-20-21 1728ET