Key Highlights

● ChipMOS closed at $67.76 on Tuesday, September 29, down 5.34% from the prior close of $71.58.

● The close is about 13.5% below the 52-week high of $78.35 and more than three times the low of $18.94.

● Trailing twelve-month Revenue was $848.14 million, up 18.7%, and Net Income over the period was $70.67 million.

● August revenue rose 33.3% from a year earlier, and the next Earnings report is expected on November 10.

ChipMOS Technologies Inc. (NASDAQ:IMOS) gave back 5.34% on Tuesday, September 29, 2026, closing at $67.76 versus $71.58 the session before. The Taiwan-based semiconductor packaging and testing company fell as the Nasdaq Composite eased 0.09% to 26,797.54, and the decline follows a large advance over the past year.

A Long Advance in the Shares

ChipMOS provides outsourced semiconductor assembly and testing services, packaging chips after wafer fabrication and testing them before they ship to customers. Over the past 52 weeks the stock has traded between $18.94 and $78.35. Tuesday's close of $67.76 is more than three and a half times the low and about 13.5% below the high, so the day's decline came from an elevated level.

Sales Growth and Profit

Trailing twelve-month revenue was $848.14 million, an increase of 18.7% from the prior period, and net income over the same period was $70.67 million. Monthly figures have continued to show growth: August revenue rose 33.3% from a year earlier.

Mixed Signals Across Chip Stocks

Large chip names did not move together on Tuesday. Nvidia (NASDAQ:NVDA) fell 0.7%, while Broadcom (NASDAQ:AVGO) rose 1.6%. The 10-year Treasury Yield ended near 5.25% and consumer confidence fell to 81.9, its lowest reading since 2014, and ChipMOS gave back part of a large advance.

A Big Climb Meets a Pullback

The next earnings report is due on November 10. The 5.34% pullback is small next to the advance that preceded it, and the shares remain well above where they traded a year ago.