Some of the biggest heavyweights are set to announce their quarterly earnings on Thursday. That includes Microsoft Corporation (NASDAQ:MSFT), Google Inc (NASDAQ:GOOG), Philip Morris International Inc. (NYSE:PM) and Intuitive Surgical, Inc. (NASDAQ:ISRG). Earnings preview for the four giant companies below.

Earnings preview

Let’s take a look at what analysts and investors expect from each of them.

Microsoft Corporation (NASDAQ:MSFT): Raymond James analysts maintain their Outperform rating on the stock. Raymond James has lowered its revenue and earnings estimate as Gartner’s report showed an 11 percent decline in PC shipments. However, analysts remain optimistic about the solid sales of cheaper touch-based devices. For the third quarter, Raymond James expects 64 cents in earnings, which is lower than the Wall Street consensus of 75 cents. Raymond James expect Microsoft Corporation (NASDAQ:MSFT) revenues to rise 16 percent Y-o-Y in the third quarter to $20.17 billion, though consensus estimates it to grow at 19 percent to $20.70 billion.

Google Inc (NASDAQ:GOOG): The search engine giant is set to announce its first quarter earnings on April 18. Goldman Sachs expects consolidated revenue of $14.58 billion and non-GAAP earnings of $10.69 a share, while Wall Street consensus stands at $14.04 billion and $10.67. Goldman Sachs expects standalone Google Inc (NASDAQ:GOOG) revenues to increase 25 percent Y-o-Y to $13.29 billion (Wall Street consensus is $12.95 billion). For Motorola division, Goldman Sachs Group, Inc. (NYSE:GS) estimates are a bit conservative at $1.29 billion compared to the consensus of $1.39 billion. Goldman Sachs expects Google’s cost per clicks (CPC) to decline 3 percent Y-o-Y.

Philip Morris International Inc. (NYSE:PM): Wall Street remains optimistic about the tobacco giant that has reported double-digit sales growth for the last four quarters. Wall Street estimates the company to earn $1.35 per share in the first quarter, up 8 percent from the same period a year ago. Revenues are expected to come at $7.52 billion. Berenberg Bank said in its report that European and Japanese markets remain challenging for the company. Berenberg Bank analysts expect Philip Morris’ European sales to decline 6 percent Y-o-Y and Japanese sales to shrink by 1-2 percent.

Intuitive Surgical, Inc. (NASDAQ:ISRG): The robotic surgery leader is set to announce its first quarter earnings on April 18. Analysts remain bullish on the stock, as Wall Street expects the quarterly earnings to rise to $3.99 per share, compared to $3.50 in the same period of 2012. Wall Street consensus expects revenues to jump 17.7 percent to $582.8 million for the quarter. Cantor Fitzgerald analysts have even higher expectations from the company. They expect the first quarter EPS of $4.06 on $590.9 million revenues.