US STOCKS-Wall St lower on earnings; Amazon weighs on Nasdaq
* Amazon shares fall after results; Visa, Ford also down
* Microsoft edges higher as earnings beat expectations
* Investors concerned over fallout from Ukraine violence
* Indexes down: Dow 0.8 pct, S&P 0.7 pct, Nasdaq 1.4 pct (Updates midday trading)
By Ryan Vlastelica
NEW YORK, April 25 (Reuters) - U.S. stocks fell on Friday, with consumer discretionary stocks leading the way lower as a number of bellwether names, including Amazon and Ford, fell following their quarterly results.
Despite the decline on the day, the S&P 500 is on track for its second straight week of gains and is 1.6 percent below its all-time high.
Investors also continued to pay attention to intensifying geopolitical strife over Ukraine. U.S. President Barack Obama and four European allies agreed Friday Russia failed to live up to terms of the Ukraine peace accord, and would coordinate on a response to "impose costs" on Russia, the White House said.
Armed separatists seized a bus carrying international observers on Friday, the interior ministry said. Continuación...