Athletic apparel and equipment manufacturer Nike (NYSE:NKE) saw its shares pop over 5% higher on Tuesday, albeit on no corporate-specific news. Instead, it appears that much of the upside catalyst stems from analysts’ reiterating their bullish assessments on Nike stock. Fundamentally, the brand may also be basking in the glow of a successful showpiece at the Paris Olympics.Recently, two analysts — Bernstein SocGen Group and Bank of America Securities — reiterated the equivalent of “buy” ratings. The latter ...