Shares of Boston Scientific Corp. /quotes/comstock/13*!bsx/quotes/nls/bsx (BSX 5.91, -0.06, -1.01%) fell 4.3% to $6.00 Wednesday. The medical device developer and manufacturer reported second-quarter earnings late Tuesday, beating analysts’ expectations but notching a 38% drop in profit. Profit was $98 million, or 6 cents a share, from $158 million, or 10 cents a share, in the year-ago period. Revenue also slid to $1.93 billion from $2.07 billion a year earlier. Boston Scientific forecast net sales for full year 2010 of between $7.6 and $7.9 billion. It also said it expected a net loss of between 91 cents and 81 cents a share for 2010.