to their highest level in four months. optimism about the economy plunged to its lowest levels in more than three decades. it s the leading indicator. so if it s following that, should tell us that we re going to have perhaps a slowdown in the economy. perhaps a struggle in the economy. reporter: sentiment is no better overseas. france reported friday, its economic growth ground to a halt in the second quarter, suggesting that consumers fear hard times ahead. i don t think that this is a small crisis we re going to get out of that quickly. and i don t think it is just the french banks. reporter: still, european markets recovered after france joined italy, spain and belgium in banning short sales. that s when traders tried to bet a stock. reporter: here, the dow fluctuated wildly, seesawing more than 400 points in either direction for four days. it s been really crazy. the hair is growing back on my head. [ laughter ] reporter: and computerized trading is adding
nancy held jaycee dugard captive in their antioch backyard for 18 years, a case prosecutors blame on a flawed system. ann notarangelo reports on the mission to make sure something like this never happens again. phillip garrido would have considering a shining example of a reformed criminal. reporter: the same monster who kidnapped, raped and imprisoned jaycee dugard was able to con prison psychologists and parole officers for decades. a dangerous sexual predator and master manipulator. reporter: at a hear the el dorado d.a. systematically outlined how individuals and the system failed jaycee dugard. the single greatest mistake was to release somebody that early, that dangerous, that early, on a very lengthy sentence. reporter: after serving only one year of a 50-year sentence for a 1976 rape and kidnapping, a psychiatrist recommended parole for garrido. despite garrido s own claims of a burning compulsion to rape, in 1988 a psychologist said garrido was likely to