One hypothesis being chatted about on Wall Street as to why Square's (SQ - Get Report) stock has spiked 14% inside a month: Amazon (AMZN - Get Report) could be lurking. 

There are two reasons why Square is moving up, points out TheStreet's founder and manager of the Action Alerts PLUS portfolio Jim Cramer. "One is that people are theorizing that Amazon is going to buy Square and the other is that Jack Dorsey is going to leave and hand it over to CFO Sarah Friar, who is brilliant," Cramer explained. 

What's Hot

Alibaba, day two notes: After a monster run in its stock on the heels of a bullish investor day, Alibaba (BABA - Get Report) founder Jack Ma saw his net wealth rise $8.5 billion to $41.8 billion. He is Asia's richest man, according to the Bloomberg Billionaires Index.

Why not stay long this tech stock, momentum lives on: Chip-maker Nvidia (NVDA - Get Report) is the best-performing S&P 500 component this quarter. The stock is up a robust 54% in June as Wall Street has become even more bullish on the company's prospects.

ROBOTS: There really isn't any additional information needed on this one. Softbank Corp. (SFTBY) has struck a deal to pick up Alphabet's (GOOGL - Get Report) robot-maker Boston Dynamics. TheStreet shows you inside of five seconds what Boston Dynamics does -- it's really cool stuff.

Click here for the latest business headlines.