Block (SQ), formerly known as Square, stock price is up over 19% in the past 5 days. However, SQ shares are down 50% year-over-year. Block recently closed its acquisition of Afterpay, making the buy now, pay later services available to online merchants in the U.S. and Australia. Wedbush Securities' Moshe Katri says that they have a neutral rating on the SQ stock with a $140 price target. "Current valuation factors the company's ability to expand EBITDA margins," Katri adds.