Fire over Vieira de Leiria, Portugal, on October 16, 2017 as a series of deadly wildfires broke out across Spain and Portugal as the approach of Hurricane Ophelia whipped up strong winds that fanned the flames. (Photo by Helio Madeiras/News Pictures)

A shop assistant creates a window display in a Next store in central London December 30, 2014. British clothing retailer Next's sales rose 2.9 percent in the run up to Christmas mostly due to online and catalogue purchases, hitting the upper end of its predictions and it said full-year profit would rise by about 11.5 percent. (Photo by Neil Hall/Reuters)

A fire burns during a protest near the National Congress, on the day Senators debate Argentina's President Javier Milei's economic reform bill, known as the “omnibus bill”, in Buenos Aires, Argentina, on June 12, 2024. (Photo by Mariana Nedelcu/Reuters)

A protester carries a piece of wood simulating a weapon during a protest demanding the resignation of Prime Minister Ariel Henry, in the Petion-Ville area of Port-au-Prince, Haiti, Monday, October 3, 2022. (Photo by Joseph Odelyn/AP Photo)

A polar bear whose bottom half is caked in oily black gunk. A whale wrapped in striped fabric: a pseudo straightjacket. These are the messes climate change leaves behind, the things we know are happening but often don’t have the opportunity to see with our own eyes. Swiss street art duo Christian Rebecchi and Pablo Togni, otherwise known as NeverCrew, met in art school when they were 15 and started making work together soon after. As a team, the artists adorn the world with eye-popping and gut-wrenching images depicting the consequences of humanity’s actions on earth. (Photo by NeverCrew/The Huffington Post)

This Wednesday, August 31, 2016 photo, provided by the Syrian anti-government activist group Aleppo Media Center (AMC), shows Syrian boys dive into a hole filled with water that was caused by a missile attack in the rebel-held neighborhood of Sheikh Saeed in Aleppo province, Syria. (Photo by Aleppo Media Center via AP Photo)

Members of the Apocalyptic Marauders group in their post-apocalyptic outfits and gear, including a flame thrower in Henrichenburg, Waltrop, Germany on August 13, 2023. Steampunk fans, groups and visitors, many in retro-futuristic or Victorian inspired outfits, have fun on the second day of the Steampunk Jubilee Festival weekend at the historic Henrichenburg boat lift, a listed industrial heritage site landmark. (Photo by Imageplotter/Alamy Live News)

Some are in it just for the money, others to help buy a meal. Then there are those who trade for fun or to spend time among friends. Millions of investors – pensioners, security guards, high-school students – dominate China's stock markets, conducting about 80 percent of all trades. Retirees gather in brokerage houses dotted around China also to enjoy some company and savour the air conditioning on hot days. Some start as young as 13, trading from home with an eye on future careers in finance. Winning isn't guaranteed. This year, among the most turbulent in China's financial history, its stock markets more than doubled in the six months to May, only to crash amid concerns that growth in the country, which makes everything from cars to steel, is slowing faster than previously thought. (Photo by Aly Song/Reuters)