Moderna Surges as Stocks Rise & Long-Term Yields Retreat | Closing Bell

Watch on YouTube ↗  |  August 19, 2026 at 20:25  |  10:43  |  Bloomberg Markets
Speakers
Carol Massar — Anchor, Bloomberg
Isabelle Lee — Reporter, Bloomberg
Romaine Bostick — Anchor, Bloomberg
Emily Graffeo — Anchor, Bloomberg

Summary

The broadcast covers the U.S. market close with stocks finishing modestly higher and long-term Treasury yields retreating. Hosts highlight notable single-stock movers including Moderna, Estee Lauder, Twist Bioscience, Hyperliquid, TJX, Viking Holdings and White Fiber. The conversation also touches on Fed minutes, Treasury buybacks, AI data-center financing and water usage debates.

  • S&P 500, Dow and Nasdaq Composite close slightly higher while the Russell 2000 outperforms.
  • Long-term Treasury yields fall sharply after the Treasury buyback cap is doubled.
  • Moderna surges on positive late-stage personalized cancer vaccine data combined with Merck's Keytruda.
  • Estee Lauder jumps after fiscal Q4 results beat estimates and organic growth accelerates.
  • Twist Bioscience rallies after Anthropic selects it as an independent evaluator for AI-designed proteins.
  • Hyperliquid rises on potential US regulatory expansion comments from President Trump.
  • TJX and Viking Holdings decline on mixed comp sales and river cruise operational concerns.
  • White Fiber falls after pricing a $270 million senior note placement for AI infrastructure.
Ideas
Carol Massar Anchor, Bloomberg 2:58
Cancer vaccine data de-risks mRNA second act.
Moderna surged after a late-stage trial showed its personalized cancer vaccine combined with Merck's Keytruda cut melanoma recurrence, providing the strongest evidence yet that mRNA technology has a successful second act; the companies plan to discuss filing for approval and present data at upcoming medical meetings.
Carol Massar Anchor, Bloomberg 4:02
Turnaround accelerating with room to recover.
Estee Lauder jumped after fiscal fourth-quarter results beat estimates, ended a streak of annual revenue declines, and accelerated organic sales growth to 5%; the stock remains well below its early 2022 high, leaving room to recover as the brand portfolio regains momentum.
Carol Massar Anchor, Bloomberg 5:00
Anthropic partnership validates AI-designed protein role.
Twist Bioscience rose to a more than five-year high after Anthropic chose it as an independent evaluator to help reduce AI-designed proteins at scale and test binding designs, positioning the company in the AI-driven life sciences tools theme.
Carol Massar Anchor, Bloomberg 5:35
US regulatory path fuels Hyperliquid rally.
Hyperliquid rallied after President Trump said the CFTC chair is working to bring Hyperliquid to the US, a potential regulatory expansion catalyst for the crypto exchange and token.
Isabelle Lee Reporter, Bloomberg 8:13
Debt-funded AI build raises shareholder concerns.
White Fiber fell after pricing a $270 million senior note private placement to fund AI infrastructure; the speaker flagged that AI companies aggressively tapping debt markets may eventually raise equity shareholder questions about financing needs, making the stock vulnerable.
Up Next

This Bloomberg Markets video, published August 19, 2026, features Carol Massar, Isabelle Lee discussing MRNA, EL, TWST, HYPE, WYFI. 5 trade ideas extracted by AI with direction and confidence scoring.

Speakers: Carol Massar, Isabelle Lee  · Tickers: MRNA, EL, TWST, HYPE, WYFI