Major U.S. indexes falling more than one percent on investor concerns over a clamp-down on margin trading in China and a lot of disappointing earnings results from U.S. corporations. Chinese authorities lifted restrictions on short-selling while also warning against excessive borrowing on margin, two developments that could pressure that market.

Almost all of the Dow stocks are trading in negative area (29 of 30). Top looser - American Express Company (AXP,-4.75%). Top gainer - General Electric Company (GE, +0.34%).

S&P index sectors are moving down. Top looser - Utilities (-0.6%).

At the moment:

Dow 18038.00 +16.00 +0.09%

S&P 500 2099.25 -0.50 -0.02%

Nasdaq 100 4413.00 -8.75 -0.20%

10-year yield 1.92% +0.02

Oil 56.08 -0.31 -0.55%

Gold 1196.80 -4.50 -0.37%

U.S. stock-index futures retreated as Chinese futures tumbled after regulators updated rules on margin trading and short selling in a market where equities have led global advances for the past year.

Reports from American Express (AXP), General Electric (GE) and Honeywell (HON) are in focus of the market.

Global markets:

Nikkei 19,652.88 -232.89 -1.17%

Hang Seng 27,653.12 -86.59 -0.31%

Shanghai Composite 4,288.35 +93.53 +2.23%

FTSE 6,984.2 -76.25 -1.08%

CAC 5,149.26 -75.23 -1.44%

DAX 11,766.76 -232.10 -1.93%

Crude oil $56.23 (-0.86%)

Gold $1203.10 (+0.43%)

(company / ticker / price / change, % / volume)

Upgrades:

Downgrades:

Travelers Companies Inc (TRV) downgraded to Equal Weight from Overweight at Barclays

Goldman Sachs (GS) downgraded from Outperform to Mkt Perform at Keefe Bruyette, target raised from $195 to $210

Other:

UnitedHealth (UNH) initiated at Buy at Mizuho, target $146

Apple (AAPL) initiated at Outperform at FBR Capital, target $185

American Express (AXP) reiterated at Underperform at RBC Capital Mkts, target lowered from $74 to $69

UnitedHealth (UNH) reiterated at Outperform at Oppenheimer, target raised from $128 to $133

Walt Disney (DIS) reiterated at Buy at Jefferies, target raised from $105 to $120

Company reports Q1 earnings of $1.41 per share versus $1.39 consensus. Revenues fell 4.8% year/year to $9.21 bln versus $9.50 bln consensus.

Company raises EPS guidance for FY15 to $6.00-6.15 from $5.95-6.15 versus $6.09 consensus and lowers guidance on revenues to $39.0-39.6 bln from $40.5-41.1 bln versus $40.52 bln consensus.

HON fell to $103.65 (-0.26%) on the premarket.

Company reports Q1 earnings of $0.31 per share versus $0.30 consensus. Revenues fell 3.1% year/year to $33.10 bln versus $34.32 bln consensus.

GE fell to $27.12 (-0.59%) on the premarket.

Japan's Topix index fell from a seven-year high, posting its first weekly loss this month, as the yen held five days of gains. Retailers led declines.

HANG SENG 27,597.68 -142.03 -0.51%

S&P/ASX 200 5,877.9 -69.57 -1.17%

TOPIX 1,588.69 -10.73 -0.67%

SHANGHAI COMP 4,288.35 +93.53 +2.23%

Sony Corp., a consumer electronics maker that gets more than 70 percent of sales outside Japan, lost 3.7 percent after Wikileaks published company documents.

Discount-store operator Don Quijote Holdings Co. slumped 7.6 percent.

JX Holdings Inc. advanced 2.2 percent as crude oil headed for the biggest weekly gain since 2011 and the Nikkei reported that the energy producer's profit will exceed analyst estimates.

(index / closing price / change items /% change)

Nikkei 225 19,885.77 +16.01 +0.1 %

Hang Seng 27,739.71 +120.89 +0.4 %

S&P/ASX 200 5,947.47 +39.06 +0.7 %

Shanghai Composite 4,194.65 +110.49 +2.7 %

FTSE 100 7,060.45 -36.33 -0.5 %

CAC 40 5,224.49 -29.86 -0.6 %

Xetra DAX 11,998.86 -232.48 -1.9 %

S&P 500 2,104.99 -1.64 -0.1 %

NASDAQ Composite 5,007.79 -3.23 -0.1 %

Dow Jones 18,105.77 -6.84 0.0%