USA, New York, Wallstreet, BörseWall Street earnings were up in Friday’s trading but the S&P 500 posted its best weekly advance in two years. Gains from companies like Microsoft and Procter & Gamble helped boost US shares but also declining concerns about the deadly Ebola virus spreading.

From its low in October, the S&P 500 SPX climbed by 5.5%, its biggest weakly earnings posted in close to two years, bolstered by reported positive corporate gains.

In late Thursday trading, futures were impacted as news broke of a New York City doctor being confirmed as having the Ebola virus. However, on Friday, markets overcame fears and in a statement from New York’s health commissioner, the doctor being treated in the hospital is in stable condition. It was also announced that initial plans are in place by the World Health Organization to quickly develop and deploy a trial Ebola vaccine.

In a statement from Steve Sosnick, manager of equity risk at Timber Hill / Interactive Brokers, because the market is not overly worried about the most recent case of the Ebola virus in the US, he and others are encouraged. He added that it appears the market is trying to make some significant moves.

Microsoft (NASDAQ: MSFT) stocks climbed 2.5% to $46.13 a share after the more-than-expected quarterly sales report was revealed and as the company’s profit margins remain stable.

Procter & Gamble (NYSE: PG), the world’s largest maker of household products that said it will separate from its Duracell battery business, converting it to a separate firm, also experienced a gain, rising 2.3% to $85.16 a share.

In comparison, Amazon (NASDAQ: AMZN) plummeted 8.3% to $287.06 a share, proving to be the biggest drag to S&P 500 and Nasdaq indexes. This decline came after disappointing online sales forecasts for the upcoming holiday season coupled with poor third quarter results that missed analysts’ projections.

Data received from Thomson Reuters pertaining to Friday morning’s trading suggested earnings were posted for 205 firms in the S&P 500 index. Of those, 69.8% exceeded analysts’ expectations and represented over the 63% level dating back to 1994. As far as revenue, 59.8% of the firms surpassed expectations, falling just short of the 2002 level at 61%.

The S&P 500 increased 0.71% or 13.76 points to 1,964.58, the Nasdaq Composite .IXIC rose 0.69% or 30.92 points to 4,483.72, and the Dow Jones Industrial Average .DJI rallied at 0.76% or 127.51 points to 16,805.41.

On the Nasdaq, several advancing issues pass those on the decline by 1,501 to 1,151 for a 1.30 to 1 ratio on the advancing side. For the NYSE, there were 1,905 issues that increased while 1,150 dropped, giving it a ratio of 1.66 to 1, favoring the upside.

The S&P 500 index reached 38 new 52-week highs and only 2 new lows while the Nasdaq Composite had 50 new highs and 48 new lows.

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