It’s doubtful that Britney Spears’ 12-year-old hit single, Oops! . . . I did it again, entered into Roche’s mind when the firm disclosed a hostile takeover bid to acquire Illumina late last month for $44.50 a share in cash, or about $5.7 billion. Okay,  maybe doubtful isn’t the right word. Maybe I should say that there was no chance in the world that Roche even considered this song when describing its takeover bid. But to those who have followed Roche closely throughout the past few years, the song seems to fit Roche’s attempts to acquire the DNA sequencing company...