Results 141 to 150 of about 35,159 (301)

Social media, high‐frequency trading, and market making after‐hours – Evidence from presidential tweets

open access: yesJournal of Financial Research, EarlyView.
Abstract I analyze differences between the core and extended trading sessions in the high‐frequency reaction of equity markets to potential news. Using presidential tweets as unanticipated, potentially market‐stirring events, I find that volatility increases and liquidity deteriorates within fractions of a second after a tweet.
Stefan Scharnowski
wiley   +1 more source

Archaeogenomic Analysis of Nineteenth-Century Burials at Saint Mary's Basilica: An Intersectional Analysis of Religion, Race, and Migration. [PDF]

open access: yesAm J Biol Anthropol
Fleskes RE   +10 more
europepmc   +1 more source

Factors associated with adherence and viral suppression among patients on second-line antiretroviral therapy in an urban HIV program in Kenya. [PDF]

open access: yesSAGE Open Med, 2023
Nyaboke R   +8 more
europepmc   +1 more source

Short selling ETFs and market performance

open access: yesJournal of Financial Research, EarlyView.
Abstract We examine short selling activity in leveraged Exchange‐Traded Funds (ETFs) and its impact on underlying index performance. Using a novel measure of ETF short exposure, which includes long positions in inverse leveraged ETFs, we document that high short exposure is associated with positive performance in the subsequent period.
Doina C. Chichernea   +2 more
wiley   +1 more source

Contribution of the one health approach to strengthening health security in Uganda: a case study. [PDF]

open access: yesBMC Public Health, 2023
Bakiika H   +13 more
europepmc   +1 more source

Identifying Out‐of‐the‐Box Virtual Reality Applications With Geriatric Applicability and Value

open access: yesJournal of the American Geriatrics Society, EarlyView.
ABSTRACT Background Virtual reality (VR) has the potential to improve the quality of life for older adults. Most studies use proprietary VR programs, specifically designed for one goal, which vastly limits the generalizability and use by the older adult population.
Alexandra Petrakos   +5 more
wiley   +1 more source

Malaria and typhoidal co-infection among febrile patients: a health facility-based cross-sectional study in Northern Ghana. [PDF]

open access: yesBMC Infect Dis
Dassah SD   +9 more
europepmc   +1 more source

Exploring How Gerontological Nursing Telephone Support Can Assist Informal Caregivers of Older Adults at Hospital Discharge—A Qualitative Study

open access: yesJournal of Clinical Nursing, EarlyView.
ABSTRACT Aim and Objective To explore how receiving gerontological nurse telephone support assisted caregivers of older adults to provide care after hospital discharge. Background Informal caregivers are vital to the recovery of older patients after hospital discharge, but often feel under‐prepared and unsupported.
Cheng Yen Loo   +7 more
wiley   +1 more source

Local Search and the Evolution of World Models

open access: yesTopics in Cognitive Science, EarlyView., 2023
Abstract An open question regarding how people develop their models of the world is how new candidates are generated for consideration out of infinitely many possibilities. We discuss the role that evolutionary mechanisms play in this process. Specifically, we argue that when it comes to developing a global world model, innovation is necessarily ...
Neil R. Bramley   +3 more
wiley   +1 more source

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