Stephen Decatur High School seniors Zachary Keiser, left, and Shayne Custodio placed first in the lower Eastern Shore and in the top 2 percent in Maryland in the Stock Market Game challenge, which gives high school students from around the country the chance to invest a hypothetical $100,000 in an on-line portfolio.  Keiser and Custodio made a $7,000 profit over a 10-week period.