Rebecca Zisser / Axios

Gun stocks often rise on the heels of well-publicized gun violence, but it isn't happening after yesterday's horrific events in Sutherland Springs, Texas. Shares of such companies as Sturm Ruger, American Outdoor Brands and Vista Outdoor all are down in Monday's mid-day trading.

Why it matters: Conventional wisdom was that such massacres would prompt gun aficionados to buy lots of new weapons and accessories, fearful of new federal firearms regulations. But Congress' failure to enact new rules after hundreds of mass shootings over the past several years – including Las Vegas, Sandy Hook, the Pulse Nightclub and San Bernadino – may have convinced traders that the old cause/effect is no longer operative.

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Wind and solar power hit record global market shares in first half of 2020

Reproduced from Ember; Chart: Axios Visuals

A steep decline in coal-fired power combined with rising wind and solar output drove the carbon-free sources to record global market share in the first half of 2020, per a new analysis from the environmental think tank Ember.

Why it matters: The report shows how the coronavirus pandemic is speeding the ongoing shakeup of the global power mix — but also how it's occurring too slowly to reach international climate goals.

Trump vows to block stimulus funding for mail-in voting and USPS

President Trump on Thursday told Fox Business' Maria Bartiromo that Democratic demands to fund mail-in voting and the U.S. Postal Service in ongoing coronavirus stimulus negotiations were a non-starter.

Why it matters: Trump directly linked Democrats' desired $3.6 billion for mail-in voting and $25 billion for the USPS to his continued baseless claims that increased mail-in voting will lead to widespread voter fraud.

BodyArmor takes aim at Gatorade's sports drink dominance

Illustration: Eniola Odetunde/Axios

BodyArmor is making noise in the sports drink market, announcing seven new athlete partnerships last week, including Christian McCaffrey, Sabrina Ionescu and Ronald Acuña Jr.

Why it matters: It wants to market itself as a worthy challenger to the throne that Gatorade has occupied for nearly six decades.