Square up 10%. What does this mean for the Afterpay (ASX:APT) share price? Why surging Square shares could spell good news for the Afterpay share price. Kerry Sun is a site writer at The Motley Fool Australia. He holds a Bachelor of Commerce, majoring in Finance and Economics. Kerry started his investing and trading journey back in 2014, riding the highs of A2 Milk and lows of Slater and Gordon. Kerry takes a 'techno-fundamental' view on stocks, understanding the importance of sound fundamentals supported by a strong technical chart. Current sectors of interest include US sports betting, rare earths, lithium and BNPL.