Caterpillar and Apple Weigh on Wall Street as S&P 500 Suffers
Description:The S&P 500 suffered its worst day since June on Tuesday (September 25), pulled lower by Caterpillar Inc after it cut its profit outlook.
Technology shares came under pressure after a second day of weakness for Apple Inc, the world's most valuable public company.
Shares fell 2.5 percent to $673.54 (USD) as the company sold out of its initial supply of the new iPhone, raising concerns about keeping up with demand.
Caterpillar, the heavy equipment maker, said on Monday (September 24) sluggish g(1:18)