There were some interesting moves after the trading bell today, and the following companies were affected: Netezza Corp. (NYSE:NZ) and Vertex Pharmaceuticals Inc. (NASDAQ:VRTX). Here is a more detailed look at each company’s after hours trading.

Netezza Corp. (NYSE:NZ)

Q1 profit reports helped Netezza Corp. (NYSE:NZ) avoid the market falls yesterday.

Netezza Corp. (NYSE:NZ) is a manufactuer of data-storage products, and their Q1 profit reports yesterday were more than 50% higher than analysts had predicted – leading to a big jump in their stock price after hours. The Netezza Corp. (NYSE:NZ) stock closed at $14, a jump of 6.4%.

Vertex Pharmaceuticals Inc. (NASDAQ:VRTX)

One drug manufacturer that wasn’t affected by yesterday’s market drop was Vertex Pharmaceuticals Inc. (NASDAQ:VRTX), who climbed.

The manufacturer of drugs has been holding clinical trials of a new hepatitis C treatment, named telaprevir. Their trial results have shown the drug to make therapy work more quickly and be more effective – which sent the stock price up 12% to $37.90 in after hours trading.

Expect to see high trade volume when the markets open tomorrow forNetezza Corp. (NYSE:NZ) and Vertex Pharmaceuticals Inc. (NASDAQ:VRTX) in trading tomorrow.