Tech Conference (NYC), MS TMT Conference (Barcelona), Earnings (ANF, SPLS, TYC, LTD, NTAP) Thursday: Empire Manufacturing, Philadelphia Fed Survey, RBC MLP Conference (Dallas), William Blair Financial Technology Summit (Boston), Earnings (DLTR, GME, HP, ROST, TGT, VIAB, WMT, ADSK, DELL, GPS, SHLD) Friday: TIC Flo