More drops in Big Tech pull stocks lower; Bitcoin drops 20%

A man walks by an electronic stock board of a securities firm in Tokyo, Wednesday, May 19, 2021. Asian shares fell Wednesday, tracking a decline on Wall Street led by big technology stocks. (AP Photo/Koji Sasahara)

A man walks by an electronic stock board of a securities firm in Tokyo, Wednesday, May 19, 2021. Asian shares fell Wednesday, tracking a decline on Wall Street led by big technology stocks. (AP Photo/Koji Sasahara)

A man walks by an electronic stock board of a securities firm in Tokyo, Wednesday, May 19, 2021. Asian shares fell Wednesday, tracking a decline on Wall Street led by big technology stocks. (AP Photo/Koji Sasahara)

A man walks by an electronic stock board of a securities firm in Tokyo, Wednesday, May 19, 2021. Asian shares fell Wednesday, tracking a decline on Wall Street led by big technology stocks. (AP Photo/Koji Sasahara)

People walk by an electronic stock board of a securities firm in Tokyo, Wednesday, May 19, 2021. Asian shares fell Wednesday, tracking a decline on Wall Street led by big technology stocks. (AP Photo/Koji Sasahara)