The S&P 500 Index (^GSPC) notwithstanding Thursday’s stumble has just concluded its best January since 1997. Or its best January since 1989. Or its best January since 1987. (Hillary would no doubt say “What difference at this point does it make?” but sticklers for the facts feel compelled to point out that the answer is in fact ’97 the month of her husband’s second inaugural.)    Time Warner Cable (TWC) downgraded this morning imploded 11.28% in its worst showing since October 2011. The company of course recently sapped the “will to live” of a USS Enterprise commander so Patrick Stewart can take some satisfaction ...