S&P 500 Inclusion: What Really Happens When a Stock Joins
How a stock actually gets added to the S&P 500, what the historical “index effect” was, and why recent research finds that pop has largely vanished.
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FedEx Freight (FDXF) Joins S&P 500 as Spinoff Closes June 1
FedEx Freight Holding (FDXF) begins trading June 2, replaces EPAM in the S&P 500, and takes American Airlines’ Dow Transports slot as the $3.7B-funded spinoff closes.
DICK’S Q1: Sales +63%, Stock -6% on EPS Outlook Cut
DICK’S Sporting Goods Q1 sales jumped 63% as Foot Locker turned profitable, but DKS fell 5.97% after the retailer trimmed its GAAP EPS outlook.
The VIX Explained: How Wall Street’s Fear Gauge Works
What the VIX really measures, how it’s built from SPX options, why VIX ETPs like VXX lose money over time, and the common mistakes traders make.
OpenAI Files Confidential S-1; ~$1T IPO Eyed for Q4
OpenAI confidentially filed its S-1 around May 22, with Goldman Sachs and Morgan Stanley leading a Q4 IPO targeting up to a $1 trillion cap.
SpaceX Files S-1 to List as SPCX; Starlink Tops $11B
SpaceX files S-1 to IPO as SPCX on Nasdaq and Nasdaq Texas. FY2025 revenue $18.7B, Starlink $11.4B (+49%), dual-class shares keep Musk in control.
Sharpe Ratio Explained: Measuring Risk-Adjusted Returns
How the Sharpe ratio works: the formula, a worked example, common pitfalls, and why William Sharpe himself warned against trusting a single number.
Quantinuum Sets QNT IPO at $45-$50; Targets $12.7B Cap
Quantinuum’s amended S-1 sets QNT IPO at $45-$50 per share on ~21M shares, implying a $12.7B valuation and up to $1.05B in proceeds. Here’s how it stacks up.
AutoZone Falls 9% as International Comps Slow to 1.6%
AutoZone (AZO) closed down 8.99% to $3,100.11 on May 26, 2026 after Q3 FY26 EPS of $38.07 beat, but constant-currency international comps slowed to 1.6%.
Secondary Stock Offerings: Dilution, ATMs, and Greenshoes
How public companies issue new shares after their IPO, why the stock usually falls on the announcement, and what ATM offerings and greenshoes really do.