June 2 Premarket Briefing: 10 Things You Should Know

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Updated from 6:49 a.m. EDT

Here are 10 things you should know for Monday, June 2:

1. -- U.S. stock futures were rising Monday following manufacturing expansion in China.

European stocks were mixed. Asian shares closed the session mostly higher. Chinese markets were closed for a holiday. Japan's Nikkei 225 index rose 2.1% after China Federation of Logistics and Purchasing said its monthly manufacturing index rose to 50.8 points in May, up from April's 50.4, and was the highest level this year.

2. -- The  economic calendar  in the U.S. on Monday includes the ISM index for May at 10 a.m. EDT, and construction spending for April at 10 a.m.

3. -- U.S. stocks  on Friday closed mixed following weaker-than-expected consumer spending, which accounts for 70% of overall economic activity. A consumer sentiment reading also was weaker. 

The Dow Jones Industrial Average  rose 0.11% to close at 16,717.11, while the  Nasdaq declined 0.13% to 4,242.62. The S&P 500 settled higher by 0.18% to 1,923.57.

4. -- Dai-ichi Life , the Japanese insurer, is in advanced talks to buy Protective Life  in a deal that could be worth more than $5 billion, Reuters and other media outlets reported.

The deal would be the biggest so far in a string of overseas acquisitions by Japan's insurers, according to Reuters.

Dai-ichi Life, Japan's second-largest private-sector life insurer, plans to buy 100% of Protective Life, a source with direct knowledge of the matter told Reuters

Protective Life shares rose 13% in premarket trading to $59.08.

5. -- Hall of Fame golfer Phil Mickelson  confirmed that FBI agents investigating insider trading approached him this week at the Memorial Tournament. The five-time major champion said over the weekend he has done "absolutely nothing wrong."

A federal official briefed on the investigation told The Associated Press the FBI and Securities and Exchange Commission are analyzing trades Mickelson and Las Vegas gambler Billy Walters made involving Clorox at the same time activist investor Carl Icahn was attempting to take over the company. When Icahn's intent became public, the stock price jumped.

6. -- Apple  kicks off its  Worldwide Developers Conference , and while the event has seen some bombshells in the past, including the iPhone in 2007, it's largely been run of the mill in recent years. That may be about to change, however.

"My take is that with the dearth of hardware announced this spring, a publicly streamed keynote and the 7-1  stock split happening soon thereafter, we're in for some BIG announcements," said John Martellaro of  The Mac Observer  Web site, and a former Apple executive. 

WWDC, held this year as it is in most years at the Moscone Center West in San Francisco, will largely focus on updates to iOS 8, as well as Mac OS X. Given all the talk of a drastic redesign in user interface to match that of iOS 7, OS X, for which there isn't a code name yet, may get the majority of the attention this year.