Updated from 11:44 a.m EDT

Ladish was among the Nasdaq's winners Wednesday, soaring 20.7% after beating Wall Street's earnings estimates after the bell Tuesday.

Ladish, which makes forged and cast-metal components for the aerospace industry, earned $10.8 million, or 74 cents per share, in the second quarter, compared with $8.5 million, or 60 cents a share, in the year-ago period. Net sales increased 26% to $113.6 million. Analysts polled by Thomson Financial expected earnings of 66 cents a share on sales of $109.7 million. Shares closed up $8.49 to $49.45.

Eagle Bulk Shipping ( EGLE - Get Report) jumped 15.5%, after agreeing to a $1.1 billion deal to acquire a fleet of 26 ships from a private Greek company. The acquisition more than doubles Eagle's fleet size. Contracted revenue from $1.2 billion in fleet charters gives Eagle confidence it can sustain a 50 cent per share quarterly dividend over the long term, the company said. Shares advanced $3.62 to $27.01.

Lennox International ( LII - Get Report) advanced 13%, after cutting full-year guidance but announcing that its board approved a $500 million share-buyback plan. The heating and cooling appliance maker cut its expected revenue growth to 2% to 4%, from its earlier view of 6% to 8%. "We expect continued good performance in the back half of the year from our commercial, refrigeration and service experts businesses, but we expect softness in the residential market to last longer than we anticipated," the company said. The share buyback is expected to be completed by the end of the third quarter. Shares rose $4.26 to $37.

Recreational vehicle maker Monaco Coach saw shares soar 7.7% after beating Wall Street's earnings estimates Wednesday. The company reported earnings of $4.5 million, or 15 cents a share, compared with $372,000, or a penny a share, in the year-ago period. The company said it remained optimistic about its previously announced full-year guidance of 37 cents to 41 cents per share on revenue of $1.3 billion. Analysts expect full-year earnings of 39 cents per share on revenue of $1.35 billion. Shares jumped $1.05 to $14.77.

Skechers USA ( SKX - Get Report) plummeted 21.4%, after the shoemaker reported falling second-quarter profits Tuesday after the bell. The company earned $14.9 million, or 32 cents a share, compared with $17.6 million, or 40 cents a share, in the year-ago period. Analysts expected earnings of 43 cents per share. The company said profits were impacted by costs relate to the introduction of its Cali Gear product, as well as accelerated new-store growth. On Wednesday, First Albany downgraded the stock to neutral from buy. Shares tumbled $6.06 to $22.27.

NutriSystem ( NTRI) slipped 10.8%, after the weight-management company issued guidance below expectations. The company sees per-share earnings of between 77 cents and 82 cents. Wall Street is looking for 89 cents a share. Despite beating estimates for the second-quarter, NutriSystem shares fell $6.88 to $56.90.

Oilfield services provider RPC ( RES - Get Report) slumped 14.9%, after it reported disappointing earnings. The company earned $23.8 million, or 24 cents a share, compared with $27.6 million, or 28 cents a share, in the year-ago period. Analysts polled by Reuters expected earnings of 35 cents a share. The company also announced a cash dividend of 5 cents a share, payable Sept. 10 to shareholders of record at the end of Aug. 10. Shares fell $2.27 to $12.98.