Alphabet (GOOGL) made the biggest splash, spiking more than 12 percent to new record highs. The search giant benefited from a stay-at-home boom in online advertising. But a lot more is going on.
Shares of PayPal (NASDAQ: PYPL)
have surged from around $US77 ($109) late last year to probe record highs above $US97 in late February on the back of analyst upgrades and overall optimism for the company.