$Amazon (AMZN.US)$ saw investors and large speculators build bearish positions on its options Tuesday amid fears of a global trade war that could crimp profits for the world’s largest online retailer.
Shares of the company that's also the biggest player in cloud computing fell as much as 3.7% to the lowest since late November amid a broad sell-off in the stock market. That came after President Donald Trump imposed 2...

$Alibaba (BABA.US)$ landed in the six most active options Thursday, joining the elite line up led by $NVIDIA (NVDA.US)$ and Tesla as investors poured more money into the Chinese tech giant.
The company’s American depositary receipts fell Thursday, after jumping 8.6% a day earlier, when it closed at $141.03, marking their biggest daily gain since late September. The stock is struggling to hold on to its gai...