Facebook said that in the U.S. more than 128 million people use its Web site on a daily basis. The company added that it attracts 101 million people in the U.S. to its various mobile applications each day.
Apple shares typically rally on earnings surprises and product announcements, but it just rallied on the power of a single tweet, one capable of moving the $445 billion stock up by as much as $17 billion. Billionaire investor Carl Icahn, in a tweet said he had bought Apple shares.
Tencent Holdings, China's largest Internet company by revenue, is betting that one-upmanship between friends playing addictive mobile games will boost revenue from WeChat, a social messaging app used by over half of all Chinese smartphone users.