U.S. markets ended Thursday's session higher, rebounding after a down start after economic data which pointed to poor retail sales and jobless claims. Fund managers suggested investors were taking the skew of poor weather on economic data into account while others pointed to more focus on corporate earnings. M&A continues apace with Time Warner Cable surging after Comcast Corp agreed to acquire the cable company. But fund managers warned there are few strong catalysts ahead to propel the market higher. TheStreet's Jane Searle speaks with Virtu Financial's Matt Cheslock at the NYSE.