Zen Brief

Regulatory and election themes run through today's news: youth vaping and child obesity drugs face scrutiny, and the midterms shape the fuel and Senate stories. In the NFL, the 49ers are 5-0.

1. 1 FDA weighs tighter e-cigarette rules as teen vaping persistsA rise in youth vaping among US teens is prompting renewed scrutiny from federal regulators, and investors are watching nicotine makers' stocks.
2. 2 49ers' Perfect Start Tests NFL Competitive BalanceThe 49ers are 5-0 after five weeks, raising the question of whether NFL scheduling and salary cap rules truly level the playing field.
3. 3 Trump Eyes Russian Diesel Deal Before MidtermsWall Street is weighing how a surprise Russian diesel import deal could affect refiners and fuel prices ahead of November's midterm elections.
4. 4 Global Health Bodies Restrict Pediatric Weight-Loss DrugsNew international guidelines discourage weight-loss drugs for children under 10, raising questions for US drugmakers counting on pediatric obesity markets.
5. 5 Michigan Senate race tests limits of anti-Muslim rhetoricA heated Michigan Senate debate over anti-Muslim rhetoric draws scrutiny as both parties sharpen their messaging weeks before the midterms.