Chewy deserves a look from investors -- even after its stock has jumped over 150% in 18 months.Shares of leading pet goods e-commerce juggernaut Chewy (CHWY -0.74%) are up 11% this week as of 1 p.m. ET on Friday, according to data provided by S&P Global Market Intelligence.Chewy reported earnings last Wednesday, Sept. 10, and immediately saw its shares drop after it offered up guidance that traders deemed was too conservative.At that time, I argued that the sell-off seemed to be an overreaction and that the ...