A slowdown in laptop sales has hurt the market for graphics processors, with shipments growing more slowly than expected in the third quarter, analyst firm Jon Peddie Research said on Monday.Graphics product shipments totaled 116 million units, a 10 percent increase compared to the third quarter last year. But shipments were down 1 percent sequentially as demand for PCs weakened, affecting graphics vendors such as Nvidia and Advanced Micro Devices."It's the first time we've seen a decline from the second quarter to the third quarter," said Jon Peddie, president of Jon Peddie Research.Graphics product shipments were expected to grow more quickly as markets recovered from the recession. But demand is increasing at a slow rate because consumers are being cautious with purchases, Peddie said.Nvidia...