Misfit toys: Mattel shares slumped 14 percent to $21.79 Friday after a weak earnings report that included a 15 percent drop in sales that the toymaker blamed on a retail inventory overhang from the holidays.

Right track: Railroad company CSX shares rose 7 percent to $50.12 after reporting a bigger profit and more revenue than Wall Street expected in the first quarter. CSX also said restructuring and spending cuts will increase its profit by about 25 percent this year. Shares closed Friday at $50.77.

Thanks, Fed: Morgan Stanley's shares rose 3 percent to $42.38 Wednesday after it reported a better than expected 74 percent jump in quarterly profit as revenue from bond trading nearly doubled following interest rate hikes by the Federal Reserve. Shares closed the week at $41.80.

High-tech trouble: IBM shares slumped 5 percent to $141.94 Wednesday after the company reported $18.16 billion in revenue in the first quarter, which was more than $200 million below analysts' estimates. IBM stock closed Friday at $160.38.

Rare miss: Goldman Sachs sank 4.7 percent to $215.65 Tuesday after its earnings fell short due to a miss in its trading business. Shares finished the week at $216.86.

Aches and pains: Eli Lilly shares declined 4 percent to $82.54 and Incyte dropped 11 percent to $125.75 Monday after the Food and Drug Administration refused to approve their much-anticipated pill for the immune disorder rheumatoid arthritis. Lilly shares closed Friday at $81.89; Incyte closed at $123.01.

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