Square's stock dropped after Venmo announced a physical debit card.
Chinese stocks like Baidu are heating up right now. Here is why you should play China names despite a riskier broader market.
Trump's plan to curb U.S.-Chinese tech deals could stunt the growth of Chinese firms in the U.S., and damage U.S. tech companies with extensive business in China.
Technology stocks were dealt a blow with Trump's China trade war talk.
The Philadelphia Semiconductor Index fell below a key technical level during a brutal trading session on Monday.