The Chinese market is likely to fall 25 percent, taking U.S. stocks with it, with the S&P 500 possibly falling below 800, Robin Griffiths, technical strategist at Cazenove Capital, said Monday. But then U.S. indexes will rise again for a substantial amount of time. The Dow and the S&P 500 index are likely to run out of seasonal steam this month and dip in October, he said, adding that the S&P 500 will drop to below 800. Griffiths then said the U.S. stock market will enter the “strong six months of the year” where the rally could run up into spring of next year and that could take the S&P up to 1,250. -cnbc