congressional hearing today: "the markets are not rigged" despite allegations in a new book. on wall street today, the dow jones industrial average gained 86 points to close at 16,535. the nasdaq rose 29 points to close at 4,103. and the s-and-p 500 added nearly nine, to finish at 1,878. still to come on the newshour: racist comments get a pro basketball owner banned from the game for life; a new push to curb sexual assaults on colleges campuses; iraq struggles with violence ahead of critical elections; the supreme court weighs whether police can search cell phones without a warrant; and one woman's fight to preserve egypt's antiques. >> ifill: the national basketball association took it's toughest steps ever against a team owner today, coming down hard on donald sterling, the billionaire owner of the los angeles clippers. commissioner adam silver