Bullpen.News From Edwin Dorsey
Get Daily Recap Feedback

Tuesday, October 13, 2026

Back to today

Expert Call | Corning

Corning’s NVIDIA-backed 10x fiber expansion, enterprise connector demand and carrier capacity plans frame its optical communications outlook through 2030.

GLW $126B
P Equity Research 37 clicks

From X

@aleabitoreddit

Serenity on X

Someone did ask “How is Serenity” this time around! So I’m happy. I’m just personally excited about $LITE selling out into 2029 and implications for optical peers like $AAOI. Not advice, but I personally think markets haven’t fully caught onto the scale of AOI’s ramp in 2027 + current bottleneck severity. It’s one of my largest positions right now for a reason! Also I’m looking forward to touching grass over the weekend. Apparently there was an OCP San Jose event… Maybe I’ll drop by if there’s a Kiss of Life group like at ICML.
@StableBread 6 clicks

Fajasy on X

The S&P 500 lost 18% in 2022, and the Bloomberg U.S. Aggregate, the main U.S. bond index, lost 13%, its worst year since it began in 1976. Over the same year, $XLE, the S&P 500 energy sector ETF, returned 64%, gold was flat, and cash earned ~1.5%. Now what if I told you there's a framework that would've said to own cash and energy in 2022, not stocks and bonds? That framework is called Gave's Four Quadrants, after Charles Gave, co-founder of Gavekal, a macro research firm. It uses two ratios built from market prices, the S&P 500 vs. Oil and Gold vs. Treasuries, to place the economy in one of four environments, and it describes what to own and what to avoid in each. Here's how stocks, bonds, gold, and cash tend to perform in each environment: → Deflationary boom: Stocks, bonds, and cash rise, and gold underperforms. → Inflationary boom: Stocks and gold rise, cash does very little, and bonds fall. → Deflationary bust: Bonds and cash rise, gold stays fairly stable, and stocks fall. → Inflationary bust: Gold and cash rise, while stocks and bonds fall. In my backtest of Gave's rules from 1970 to September 2026, a portfolio split equally between cash, the S&P 500, and either 10-year Treasuries or gold, whichever the framework favored, would have returned 5.7% per year after inflation. Its max drawdown was 28%, vs. 54% for the S&P 500. As of the end of September 2026, the two ratios place the U.S. in an inflationary boom phase. But since January 2025, the S&P 500 to gold ratio has been below its 7-year average, which has often come a few months before the S&P 500 to oil ratio drops below its own 7-year average. If that happens, the U.S. is back in an inflationary bust phase, like 2022. So how do you read the two ratios yourself, and what do they say to own today? That's what I walk through in my new ~20-minute video!

Investor Letters

All letters

Vicor Update, Part Two

Vicor uses ITC exclusion-order cases to license power-module patents, with published royalty multipliers rising from 1.0x before filing to…

VICR $12B
CV's Substack 4 clicks

Expert Call | Nebius

Nebius’s 1 GW annual active-capacity target from 2027 is realistic, according to a former product manager, with greenfield data centers…

NBIS $56B
P Equity Research 4 clicks
PTRN · short

Pattern Group INC

Pattern Group is a fragile consumer business targeted on the short side.

PTRN $3B
Value Investors Club 3 clicks

Dell's Tailwinds

Dell booked $131.7B of AI server orders in four quarters and held a $95B backlog as enterprise AI demand accelerates.

DELL $367B
Chipstrat 4 clicks

Publications we follow

Every publication on this site, hand-picked.

129 publications

Newsletters 107

YouTube 4

Blogs 17

Seeking Alpha 49 of 228

Nominate a publication

X accounts we follow

Every account on this site, hand-picked.

88 accounts
Nominate an account

Investor letters we follow

189 firms

Sectors

Ordered by how often our editor reaches for them.