Reference Terms
from Wikipedia, the free encyclopedia
Stock market
A stock market or equity market is the aggregation of buyers and sellers (a loose network of economic transactions, not a physical facility or discrete entity) of stocks (shares); these are securities listed on a stock exchange as well as those only traded privately.
Note: The above text is excerpted from the Wikipedia article "Stock market", which has been released under the GNU Free Documentation License.
Related Stories
1
2
Computers & Math News
April 14, 2025
Apr. 9, 2025 — A hopping, insect-sized robot can jump over gaps or obstacles, traverse rough, slippery, or slanted surfaces, and perform aerial acrobatic maneuvers, while using a fraction of the energy required for flying ...
Apr. 7, 2025 — A web platform uses a chatbot to enable any chemist -- including undergraduate chemistry majors -- to configure and execute complex quantum mechanical simulations through ...
Apr. 2, 2025 — Smaller than a grain of rice, new pacemaker is particularly suited to the small, fragile hearts of newborn babies with congenital heart defects. Tiny pacemaker is paired with a small, soft, flexible wearable patch that sits on the patient's chest. ...
Mar. 27, 2025 — Most haptic devices only deliver feedback as simple vibrations. New device applies dynamic forces in any direction to simulate a more realistic sense of touch. Small, lightweight device can enhance virtual reality, help individuals with visual ...
Latest Headlines
updated 12:56 pm ET
Apr. 14, 2025 — A groundbreaking open-source computer program uses artificial intelligence to analyze videos of patients with Parkinson's disease and other movement disorders. The tool, called VisionMD, helps ...
Apr. 14, 2025 — Neural networks are one typical structure on which artificial intelligence can be based. The term neural describes their learning ability, which to some extent mimics the functioning of neurons in ...
Apr. 10, 2025 — Using artificial intelligence shortens the time to identify complex quantum phases in materials from months to minutes, finds a study. The breakthrough could significantly speed up research into ...
Apr. 10, 2025 — DECOTA transforms open-ended survey responses into clear themes -- helping policymakers make better use of underutilised public ...
Apr. 10, 2025 — Researchers devised a way to maintain an AI model's accuracy while ensuring attackers can't extract sensitive information used to train it. The approach is computationally efficient, reducing a ...
Apr. 14, 2025 — Researchers have developed a new forecasting model that helps companies more accurately estimate how many customers are interested in a product -- even when key data is missing. The study introduces ...
Apr. 14, 2025 — A new study by neuroscientists shows that our brain deals with different forms of visual uncertainty during movements in distinct ways. Depending on the type of uncertainty, planning and execution of ...
Apr. 14, 2025 — Engineers discovered a way to move heat ultrafast using crystal waves, offering a breakthrough in cooling advanced ...
Apr. 11, 2025 — Researchers have developed a pioneering, sustainable method for producing cadmium-based quantum dots (QDs) in water using a biocompatible chalcogen ...
Apr. 11, 2025 — Quasicrystals are intriguing materials with long-range atomic order that lack periodicity. It has been a longstanding question whether antiferromagnetism, while commonly found in regular crystals, is ...