SanDisk (SNDK) Up 694% YTD: Is the AI Memory Trade Just Getting Started?

While Trump was at the UN threatening to annihilate Iran in one breath and confirm peace talks in the next, the Nasdaq was quietly doing something remarkable: hitting record highs. The index closed up 2.26% on September 21 to 27,122, and the S&P 500 tagged 7,764 for good measure. The VIX is sitting at a sleepy 14.87. Markets, apparently, do not care about geopolitics unless oil crosses $150.

The headline story inside this rally is memory chips. $SNDK (SanDisk) jumped over 6% to a two-month high after Rosenblatt Securities initiated coverage with a buy rating and a jaw-dropping $2,400 price target, implying 27% more upside from here. That's on top of a 694% gain year-to-date, which makes SanDisk the top performer in the entire S&P 500. Rosenblatt's thesis: AI infrastructure buildout is creating insatiable demand for memory, and SNDK is sitting in the middle of that highway with a tollbooth. The DRAM ETF was up 3.4% on the same session, confirming this wasn't just one analyst having a moment.

$MU (Micron) also had its day in the sun, breaking above a key resistance level near $1,000 with a 5% gain, and the company reports earnings in roughly 8 days with triple-digit earnings growth expected. If memory demand is the fuel, Micron is arguably the cleanest engine in the trade. The bear case: smartphone shipments are expected to fall 14% this year according to Counterpoint Research, partly because surging memory prices are making phones more expensive. SNDK benefits from high prices, but the demand destruction risk is real if consumers tap out.

On the Iran front, the signal noise ratio is brutal right now. Trump threatened annihilation at the UN, then confirmed a three-hour meeting with Iranian officials that envoys called constructive. Iran floated reopening the Strait of Hormuz if the US eases military pressure, which would be massive for oil markets. Oil is hovering near $95 per barrel, with Bank of America warning it hits $150 if supplies tighten further and diesel already above $6.50 per gallon. The US is burning nearly $1 billion per month on the blockade, with total war costs exceeding $42 billion. A deal would crater energy prices and potentially give the Fed more room to breathe on inflation.

For chip bulls, the macro setup is almost comically favorable: potential oil relief, a Trump-Xi summit signaling AI cooperation rather than tech war escalation, and Qualcomm rolling out a new AI-focused chip built on TSMC's most advanced process node. The bear case that keeps getting run over is simple: at some point valuations matter. SNDK up 694% means you need a lot of things to keep going right.

Six hundred ninety-four percent. In one year. For a memory chip company. The 2020s are not a normal decade.