Green Mountain Coffee Roasters (GMCR) fell 5.7% on Monday, and Monster energy drink maker Hansen Natural (HANS) dropped 8.6%.

FORBES: Fresh Selling Slaughters Stocks, Bear Takes Hold

The intimate austerity of the open studio has been replaced with a massive showroom of folding chairs surrounded by booths for Monster Energy drink and thinkThin energy bars, with a bright white runway in the middle.

CNN: A day in the life of a New York Fashion Week model

In August, the New York attorney general began an investigation into 5-Hour and its energy drink rivals Monster and Amp to see whether the products' labels match their actual contents.

FORBES: Manoj Bhargava

This summer, New York's attorney general launched an investigation into the marketing prices of energy drink makers including Monster and PepsiCo, which also makes Amp.

NPR: Mountain Dew Introduces A Breakfast Drink

New York's attorney general this summer subpoenaed energy drink makers, including Monster, about how the drinks are made and marketed, and Democratic Sens.

NPR: San Francisco City Attorney Sues Monster Beverage

Attorney General Eric Schneiderman is reportedly investigating whether Monster, Pepsi (it owns the AMP brand) and 5-Hour Energy Drink maker Living Essentials deceive customers about the ingredients, health benefits and health risks of their drinks.

FORBES: Monster Beverage: Global Sales, Potential Takeover Seem More Crucial Factors Than NY-State Probe

PepsiCo said it doesn't consider Kickstart to be an energy drink, noting that it still has far less caffeine than drinks like Monster and Red Bull and none of the mysterious ingredients that have raised concerns among lawmakers and consumer advocates.

NPR: Mountain Dew Introduces A Breakfast Drink

The drink comes in the same 16-ounce cans as popular energy drinks made by Monster Beverage Corp.

NPR: Mountain Dew Introduces A Breakfast Drink