MATT: WE HAVE A NEW FED CHAIR. 30 MINUTES UNTIL THE START OF THE TRADE. I MATT MILLER.DANI BURGER IS OFF RIGHT NOW. "BLOOMBERG OPEN INTEREST" STARTS RIGHT. ♪ COMING UP, HE IS THE CHOSEN ONE.PRESIDENT TRUMP TAPS KEVIN WARSH TO LEAD THE FED, CHOICE VIEWED AS MORE HAWKISH THAN OTHER CONTENDERS. A BUSY WEEK FOR EARNINGS SEASON WRAPS UP WITH A BULLISH FORECAST FROM APPLE AND STRONG RESULTS FROM BIG OIL. METALS MANIA.GOLD AND SILVER SUFFERED THEIR BIGGEST SLIDE IN YEARS AS WILD SWINGS ROCK THE COMMODITIES MARKET. ...