Apple shares turned lower as the iPhone maker kicked off its Worldwide Developers Conference Monday. Read more on the event and what's at stake for Apple:

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In addition to inflation and US-China trade, a key bond auction is on investors' radar. A $22 billion sale of 30-year bonds is scheduled for Thursday.

Today's column includes the opener from Stephen 'Sarge' Guilfoyle at TheStreet Pro. It's a sampling of what subscribers to TheStreet Pro study and benefit from daily.

Apple execs didn't have a super satisfying answer about what went wrong with AI Siri, but they also don't really need one.

The $3 trillion stock club isn't a big list; it's just Nvidia ( NVDA 0.86%), Microsoft ( MSFT -0.41%), and Apple ( AAPL 0.55%). Amazon ( AMZN 0.25%) is the fourth-largest company in the world, but it is currently valued at around $2.2 trillion, which showcases how large a gap there is between third and fourth place.

Bloomberg journalists discuss today's biggest winners and losers in the stock market. Listen for analysis on the companies making news on Wall Street.

However, we took a chance on a stock shortly after its IPO. It has exploded, up more than 15 times. Not 15% — 15 times. That is, 1,500%. We’re the dog that caught the car. We bought the technology company Palantir Technologies at around $9 per share.

Apple's (NASDAQ: AAPL) stock price has shot up 14,760% in the past 20 years thanks to the budding popularity of its hardware devices and software solutions that have won over consumers across the globe. Even in the past five years, investors have been rewarded with a 150% gain (as of June 4).

CNBC's 'Mad Money' host and veteran market commentator Jim Cramer is not impressed with Apple Inc. (Nasdaq: AAPL) repurchasing its stocks of late. With a market cap of $3 trillion, Apple is the third-largest company in the world that is well-known for its flagship tech products such as iPhones, iPads, MacBooks, etc.