How many are there in a book? http://myvidster.fun myvidster video * Of 434 companies in the S&P 500 that had reported earningsthrough Wednesday morning, Thomson Reuters data showed that 66.8percent topped analysts' expectations, in line with the 67percent beat rate over the past four quarters. In terms ofrevenue, 54.1 percent beat estimates, more than in the past fourquarters, but below the 61 percent average since 2002.