This week's top stocks come from a variety of industries including pharmaceuticals and medical supplies, energy, and general building materials. See what stocks are looking good this week and which ones you should avoid.

April 28 (Bloomberg) -- Tony Walden squeezes his green mobile crane on to the forecourt of a Shell gasoline station on the outskirts of Edinburgh and waits. It's the fourth set of pumps he's tried, and all are out of diesel.

Marsulex Inc. today announced results for the three and six months ended June 30, 2008. Revenue for the quarter was $89.7 million compared with $77.3 million in 2007, an increase of 16.0%.

Booming shipments of coal, grain and fertilizer coupled with improved productivity drove the railroad's second-quarter earnings up 19 percent, despite rising fuel costs and Midwest floods.

Greg Tronto, Business Leader for Single Use Bioprocess Components at W. L. Gore & Associates, was named to the Delaware BioScience Association board of directors.