* U.S. proposes fresh tariffs on $200 bln worth of China goods
* Boeing (NYSE:BA), Caterpillar lead decliners on Dow
* Chipmakers slide
* Indexes down: Dow 0.9 pct, S&P 0.7 pct, Nasdaq 0.6 pct
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By Caroline Valetkevitch
NEW YORK, July 11 (Reuters) - U.S. stocks fell on Wednesday, breaking a four-session streak of gains after Washington's threat to impose tariffs on an additional $200 billion worth of Chinese goods fanned trade war fears, while a sharp drop in oil prices hit energy shares.
China responded to U.S. President Donald Trump's threats by accusing the United States of bullying and warned that it would hit back. names including Boeing BA.N , 3M MMM.N and Caterpillar CAT.N , which have been among the hardest hit by the recent trade dispute, were among the Dow's biggest drags.
Materials .SPLRCM , down 1.7 percent, was another big negative influence on the market, with Freeport-McMoRan FCX.N down 3.9 percent as copper prices CMCU3 hit their lowest in about a year. said trade war worries may slip to the background as investors begin to focus more closely on second-quarter earnings over the coming weeks. Results from JPMorgan Chase (NYSE:JPM) JPM.N and other big banks are due Friday.
"The trade situation is worrisome but nothing more is going to happen right away. This story may recede in people's consciousness while current stories capture people's interests, particularly earnings," said John Carey, portfolio manager at Amundi Pioneer Asset Management in Boston.
"People are looking for some fairly strong earnings, and there's certainly potential for disappointment."
Analysts are forecasting S&P 500 companies' earnings grew about 21 percent in the second quarter from a year earlier, according to Thomson Reuters data.
Also pressuring the market Wednesday, the S&P 500 energy index .SPNY fell 2.2 percent, leading sector declines. U.S. crude oil futures CLc1 settled down 5 percent on the trade dispute escalation and as expectations of growing supplies increased on news that Libya would reopen ports. Dow Jones Industrial Average .DJI fell 219.21 points, or 0.88 percent, to 24,700.45, the S&P 500 .SPX lost 19.82 points, or 0.71 percent, to 2,774.02 and the Nasdaq Composite .IXIC dropped 42.59 points, or 0.55 percent, to 7,716.61.
Chipmakers, which largely depend on China for their revenue, fell, with the Philadelphia semiconductor index .SOX down 2.6 percent.
The market's drop was not as steep as what was seen in late March and early April when the escalating trade rhetoric between China and the United States led to the S&P falling more than 2 percent on four occasions.
The market slide may have been contained in part by speculation the Trump administration could change its mind by the end of August, when the tariffs are due to come into effect, some strategists said.
The utilities sector .SPLRCU was the only one in positive territory, with a 0.9 percent gain.
Twenty-First Century Fox FOXA.O fell 4 percent after the media company raised its offer for Britain's Sky SKYB.L , seeing off rival bidder Comcast CMCSA.O for now. Comcast shares were up 1.3 percent.
Declining issues outnumbered advancing ones on the NYSE by a 2.74-to-1 ratio; on Nasdaq, a 1.87-to-1 ratio favored decliners.
The S&P 500 posted 13 new 52-week highs and one new low; the Nasdaq Composite recorded 63 new highs and 51 new lows.
About 6.0 billion shares changed hands on U.S. exchanges. That compares with the 6.9 billion daily average for the past 20 trading days, according to Thomson Reuters data.