Eaton Corporation (ETN) has had a rough few months. After pushing toward all-time highs near $410 in late January, the power management company shed roughly $90 in a matter of weeks — a decline steep enough to rattle even the most patient holders. But underneath all that noise, a trendline that’s been quietly doing its job since early 2024 just got its most important test yet.

That ascending support line, which originates from the April 2024 lows near $235, has connected every meaningful swing low over the past year. In late January, ETN pierced it intraday, tagged the $315–$320 area, and bounced — hard. The recovery back to the current $347 range is notable, and the fact that price held that trendline on a closing basis matters. It’s not just a line on a chart at this point; it’s demonstrated structural support.
The $340 horizontal level is worth watching closely. That level served as both support and resistance throughout the back half of 2024, and price is now sitting just above it. As long as ETN holds $340 on a daily close, the trendline bounce has credibility. Bulls looking for a re-entry on this pullback have a relatively clean reference point: a confirmed close below $340 would suggest the trendline support is failing, and the setup changes.
If the support holds and buyers step in with conviction, a move back toward the $370–$380 range is a reasonable first target, with the January highs near $410 as the larger objective. That’s a meaningful recovery from current levels, and the trendline gives bulls a defined line in the sand.
The bear case is straightforward: a daily close beneath $340 opens the door to a retest of that $315–$320 trendline low — and if that breaks, the long-term uptrend structure is in question. ETN has earned the benefit of the doubt given how well this trendline has performed, but the market doesn’t care about past behavior. Watch that $340 level closely.